Frequencies for first 10,000 rows of proc4 variable in namcs1994 dataset : service #4 | procedure | code - 4 | digits | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,932 99.32 99.32 2953 | 1 0.01 99.33 4523 | 1 0.01 99.34 4524 | 1 0.01 99.35 7534 | 1 0.01 99.36 8709 | 1 0.01 99.37 8737 | 5 0.05 99.42 8744 | 1 0.01 99.43 8761 | 1 0.01 99.44 8762 | 1 0.01 99.45 8763 | 1 0.01 99.46 8764 | 2 0.02 99.48 8773 | 1 0.01 99.49 8826 | 1 0.01 99.50 8874 | 2 0.02 99.52 8876 | 1 0.01 99.53 8877 | 1 0.01 99.54 8878 | 1 0.01 99.55 8879 | 3 0.03 99.58 8893 | 2 0.02 99.60 8894 | 1 0.01 99.61 8897 | 1 0.01 99.62 8914 | 2 0.02 99.64 8934 | 1 0.01 99.65 8939 | 4 0.04 99.69 8944 | 1 0.01 99.70 8952 | 1 0.01 99.71 9094 | 1 0.01 99.72 9099 | 1 0.01 99.73 9146 | 4 0.04 99.77 9149 | 1 0.01 99.78 9199 | 1 0.01 99.79 9202 | 1 0.01 99.80 9214 | 1 0.01 99.81 9308 | 1 0.01 99.82 9319 | 1 0.01 99.83 9323 | 1 0.01 99.84 9357 | 1 0.01 99.85 9359 | 1 0.01 99.86 9367 | 1 0.01 99.87 9503 | 1 0.01 99.88 9511 | 2 0.02 99.90 9531 | 6 0.06 99.96 9652 | 2 0.02 99.98 9999 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016